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Codeforces Global Round 11 D. Unshuffling a Deck（构造/相邻逆序对）

Kanoon 2020-10-14 00:50 阅读:261 评论:0 推荐:0

Codeforces Global Round 11 B. Chess Cheater（贪心）

Kanoon 2020-10-13 23:45 阅读:312 评论:0 推荐:0

Codeforces Round #658 (Div. 2)【ABC2】

Kanoon 2020-07-22 00:35 阅读:308 评论:0 推荐:0

Codeforces Round #657 (Div. 2) A. Acacius and String（字符串）

Kanoon 2020-07-20 16:11 阅读:232 评论:0 推荐:0

Codeforces Round #656 (Div. 3) D. a-Good String

Kanoon 2020-07-18 01:06 阅读:206 评论:0 推荐:0

Educational Codeforces Round 91 (Rated for Div. 2) D. Berserk And Fireball

Kanoon 2020-07-13 23:59 阅读:363 评论:0 推荐:0

Codeforces Round #655 (Div. 2) A. Omkar and Completion

Kanoon 2020-07-12 20:49 阅读:200 评论:0 推荐:0

Codeforces Round #603 (Div. 2) B. PIN Codes（字符串）

Kanoon 2020-06-30 23:20 阅读:201 评论:0 推荐:0

Educational Codeforces Round 90 (Rated for Div. 2) D. Maximum Sum on Even Positions（dp）

Kanoon 2020-06-27 00:20 阅读:120 评论:0 推荐:0

Educational Codeforces Round 90 (Rated for Div. 2) A. Donut Shops（数学）

Kanoon 2020-06-26 23:06 阅读:198 评论:0 推荐:0

Codeforces Round #604 (Div. 2) B. Beautiful Numbers（双指针）

Kanoon 2020-06-25 17:53 阅读:133 评论:0 推荐:0

Codeforces Round #604 (Div. 2) C. Beautiful Regional Contest（贪心）

Kanoon 2020-06-25 17:31 阅读:203 评论:0 推荐:0

Codeforces Round #652 (Div. 2) E. DeadLee（贪心）

Kanoon 2020-06-24 20:45 阅读:313 评论:0 推荐:1

Codeforces Round #652 (Div. 2) B. AccurateLee（字符串）

Kanoon 2020-06-24 20:35 阅读:248 评论:0 推荐:0

Codeforces Round #651 (Div. 2) A. Maximum GCD（数论）

Kanoon 2020-06-22 22:10 阅读:188 评论:0 推荐:0

Codeforces Round #651 (Div. 2) D. Odd-Even Subsequence（二分）

Kanoon 2020-06-21 18:05 阅读:252 评论:0 推荐:0

Codeforces Round #647 (Div. 2) A. Johnny and Ancient Computer

Kanoon 2020-06-05 23:00 阅读:202 评论:0 推荐:0

Codeforces Round #646 (Div. 2) B. Subsequence Hate（前缀和）

Kanoon 2020-06-01 10:30 阅读:254 评论:0 推荐:0

Codeforces Round #646 (Div. 2) A. Odd Selection（数学）

Kanoon 2020-06-01 10:10 阅读:299 评论:0 推荐:0

Educational Codeforces Round 88 (Rated for Div. 2) B. New Theatre Square（贪心）

Kanoon 2020-05-29 18:54 阅读:153 评论:0 推荐:0